DE3271938D1 - Process for the preparation of urea - Google Patents
Process for the preparation of ureaInfo
- Publication number
- DE3271938D1 DE3271938D1 DE8282902530T DE3271938T DE3271938D1 DE 3271938 D1 DE3271938 D1 DE 3271938D1 DE 8282902530 T DE8282902530 T DE 8282902530T DE 3271938 T DE3271938 T DE 3271938T DE 3271938 D1 DE3271938 D1 DE 3271938D1
- Authority
- DE
- Germany
- Prior art keywords
- urea
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/08—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from ammoniacal liquor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8104040A NL8104040A (en) | 1981-09-01 | 1981-09-01 | METHOD FOR THE PREPARATION OF UREA. |
| PCT/EP1982/000188 WO1983000862A1 (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3271938D1 true DE3271938D1 (en) | 1986-08-14 |
Family
ID=19837996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8282902530T Expired DE3271938D1 (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US4540813A (en) |
| EP (1) | EP0086805B1 (en) |
| JP (1) | JPS58501373A (en) |
| KR (1) | KR840001131A (en) |
| BR (1) | BR8207839A (en) |
| DD (1) | DD203715A5 (en) |
| DE (1) | DE3271938D1 (en) |
| EG (1) | EG15838A (en) |
| ES (1) | ES515377A0 (en) |
| GB (1) | GB2107705B (en) |
| GR (1) | GR76908B (en) |
| HU (1) | HUT34001A (en) |
| IN (1) | IN157894B (en) |
| IT (1) | IT1149071B (en) |
| NL (1) | NL8104040A (en) |
| NO (1) | NO831531L (en) |
| OA (1) | OA07202A (en) |
| PL (1) | PL238092A1 (en) |
| WO (1) | WO1983000862A1 (en) |
| ZA (1) | ZA825788B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303424A (en) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | METHOD FOR THE PREPARATION OF UREA. |
| NL8303425A (en) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | METHOD FOR THE PREPARATION OF UREA. |
| JPS61109760A (en) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | Production of urea |
| JPH082859B2 (en) * | 1987-02-24 | 1996-01-17 | 東洋エンジニアリング株式会社 | Urea production method |
| IN169678B (en) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
| IT1232669B (en) * | 1989-09-15 | 1992-03-02 | Snam Progetti | PROCEDURE FOR THE PRODUCTION OF UREA WITH HIGH ENERGY PERFORMANCE. |
| CH679485A5 (en) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
| NL1004977C2 (en) * | 1997-01-13 | 1998-07-15 | Dsm Nv | Method to increase the capacity of an existing urea process. |
| RU2258063C2 (en) * | 2000-06-15 | 2005-08-10 | Уреа Касале С.А. | Method for preparing urea (variants), device for preparing urea and method for device updating |
| NL1022526C2 (en) * | 2003-01-30 | 2004-08-04 | Dsm Nv | Process for separating NH3, and optionally also CO2 and H2O, from a mixture containing NH3, CO2 and H2O. |
| EP3398935A1 (en) * | 2017-05-05 | 2018-11-07 | Casale Sa | Process and plant for the synthesis of urea |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE581293A (en) * | 1958-08-08 | 1900-01-01 | ||
| US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
| DE1618867A1 (en) * | 1966-03-29 | 1972-03-30 | Sumitomo Chemical Co | Process for the production of urea |
| CH468356A (en) * | 1966-04-05 | 1969-02-15 | Inventa Ag | Process for working up the synthesis mixture obtained in the synthesis of urea from ammonia and carbon dioxide in a synthesis reactor at elevated pressure and elevated temperature |
| US3759992A (en) * | 1970-06-29 | 1973-09-18 | I Mavrovic | Urea synthesis |
| NL168506C (en) * | 1970-12-31 | 1982-04-16 | Stamicarbon | METHOD FOR THE PREPARATION OF UREA. |
| BE787832A (en) * | 1971-09-02 | 1973-02-22 | Stamicarbon | PROCESS FOR THE PREPARATION OF UREA |
| NL7307036A (en) * | 1973-05-21 | 1974-11-25 | ||
| US4173615A (en) * | 1974-07-08 | 1979-11-06 | Mitsui Toatsu Chemicals, Incorporated | Chemical apparatus for corrosive materials |
| NL7612162A (en) * | 1976-11-03 | 1978-05-08 | Unie Van Kunstmestfab Bv | PROCESS FOR PREPARING A UREA SOLUTION FROM NH3 AND CO2. |
| JPS5811432B2 (en) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | Urea synthesis method |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
-
1981
- 1981-09-01 NL NL8104040A patent/NL8104040A/en not_active Application Discontinuation
-
1982
- 1982-08-10 ZA ZA825788A patent/ZA825788B/en unknown
- 1982-08-21 EG EG518/82A patent/EG15838A/en active
- 1982-08-26 KR KR1019820003854A patent/KR840001131A/en unknown
- 1982-08-26 IN IN993/CAL/82A patent/IN157894B/en unknown
- 1982-08-30 GR GR69156A patent/GR76908B/el unknown
- 1982-08-30 IT IT49047/82A patent/IT1149071B/en active
- 1982-08-30 DD DD82242879A patent/DD203715A5/en unknown
- 1982-08-31 US US06/496,317 patent/US4540813A/en not_active Expired - Fee Related
- 1982-08-31 BR BR8207839A patent/BR8207839A/en unknown
- 1982-08-31 DE DE8282902530T patent/DE3271938D1/en not_active Expired
- 1982-08-31 HU HU823094A patent/HUT34001A/en unknown
- 1982-08-31 EP EP82902530A patent/EP0086805B1/en not_active Expired
- 1982-08-31 PL PL23809282A patent/PL238092A1/en unknown
- 1982-08-31 ES ES515377A patent/ES515377A0/en active Granted
- 1982-08-31 WO PCT/EP1982/000188 patent/WO1983000862A1/en active IP Right Grant
- 1982-08-31 JP JP57502598A patent/JPS58501373A/en active Pending
- 1982-09-01 GB GB08224953A patent/GB2107705B/en not_active Expired
- 1982-09-01 OA OA57794A patent/OA07202A/en unknown
-
1983
- 1983-04-29 NO NO831531A patent/NO831531L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0086805B1 (en) | 1986-07-09 |
| WO1983000862A1 (en) | 1983-03-17 |
| IT8249047A0 (en) | 1982-08-30 |
| ZA825788B (en) | 1983-06-29 |
| GB2107705A (en) | 1983-05-05 |
| US4540813A (en) | 1985-09-10 |
| NL8104040A (en) | 1983-04-05 |
| DD203715A5 (en) | 1983-11-02 |
| NO831531L (en) | 1983-04-29 |
| GB2107705B (en) | 1985-09-04 |
| EG15838A (en) | 1987-07-30 |
| PL238092A1 (en) | 1983-03-28 |
| HUT34001A (en) | 1985-01-28 |
| EP0086805A1 (en) | 1983-08-31 |
| BR8207839A (en) | 1983-09-06 |
| IT1149071B (en) | 1986-12-03 |
| KR840001131A (en) | 1984-03-28 |
| ES8306103A1 (en) | 1983-05-01 |
| IN157894B (en) | 1986-07-19 |
| GR76908B (en) | 1984-09-04 |
| JPS58501373A (en) | 1983-08-18 |
| ES515377A0 (en) | 1983-05-01 |
| OA07202A (en) | 1984-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8380 | Miscellaneous part iii |
Free format text: DER PATENTINHABER LAUTET RICHTIG: STAMICARBON B.V., GELEEN, NL |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |